| HS | Haber syndrome; half strength; hamstring; hand surgery; Hartmann solution; head sling; healthy subje... |
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| HTS | head traumatic syndrome; HeLa tumor suppression; human thyroid-stimulating hormone, human thyroid st... |
| IHT | insulin hypoglycemia test; intravenous histamine test; ipsilateral head turning |
| LHD | lateral head displacement [sperm] |
| NHIF | National Head Injury Foundation |
| lateral head | Head of origin farthest from the midline. Nomina Anatomica lists lateral heads (caput laterale...) of the following: 1) triceps brachii muscle (... Musculi tricipitis brachii ); 2) gastrocnemius muscle (... Musculi gastrocnemii ). Synonym: caput laterale. (05 Mar 2000) |
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| fovea of the femoral head | A depression on the extremity of the head of the femur giving attachment to the ligamentum teres femoris. Synonym: fovea capitis ossis femoris, pit of head of femur. (05 Mar 2000) |
| fovea of the radial head | The depression on the top (superior surface) of the head of the radius for articulation with the capitulum of the humerus. Synonym: fovea articularis capitis radii, articular pit of head of radius. (05 Mar 2000) |
| lateral rectus muscle of the head | <anatomy, muscle> Origin, transverse process of atlas; insertion, jugular process of occipital bone; action, inclines head to one side; nerve supply, ventral primary ramus of first cervical spinal nerve. Synonym: musculus rectus capitis lateralis, lateral rectus muscle of the head. (05 Mar 2000) |
| frontal region of head | The surface region of the head corresponding to the outlines of the frontal bone. Synonym: regio frontalis capitis. (05 Mar 2000) |
| ligament of head of femur | A flattened ligament that passes from the fovea in the head of the femur to the borders of the acetabular notch (transverse acetabular ligament); developmentally, an artery passes to the head of the femur with the ligament which may or may not persist into adulthood; the ligament does not contribute to the integrity of the joint or control movements there. Synonym: ligamentum capitis femoris, ligamentum teres femoris, round ligament of femur. (05 Mar 2000) |
| little head of humerus | The small rounded eminence on the lateral half of the distal end of the humerus for articulation with the radius. Synonym: capitulum humeri, capitellum, little head of humerus. (05 Mar 2000) |
| long head | The head that has the more proximal origin. Nomina Anatomica lists long heads (caput longum...) of the following: 1) biceps brachii muscle (... Musculi bicipitis brachii ); 2) biceps femoris muscle (... Musculi bicipitis femoris ); 3) triceps brachii muscle (... Musculi tricipitis brachii ). Synonym: caput longum. (05 Mar 2000) |
| long head of triceps | <anatomy, muscle> Origin, infraglenoid tuberosity of scapula; insertion, posterior and upper olecranon and fascia of the forearm; action, extends and adducts arm. (06 Mar 2000) |
| long muscle of head | <anatomy, muscle> Origin, anterior tubercles of transverse processes of third to sixth cervical vertebrae; insertion, basilar process of occipital bone; action, twists or flexes neck anteriorly; nerve supply, cervical plexus. Synonym: musculus longus capitis, long muscle of head, musculus rectus capitis anticus major. (05 Mar 2000) |
| acute reflex bone atrophy | Atrophy of bones, commonly of the carpal or tarsal bones, following a slight injury such as a sprain. See: causalgia, reflex sympathetic dystrophy. Synonym: acute reflex bone atrophy, posttraumatic osteoporosis, Sudeck's syndrome. Origin: L. English sweat (05 Mar 2000) |
| air-bone gap | The difference between the threshold for hearing acuity by bone conduction and by air conduction. (05 Mar 2000) |
| Albrecht's bone | A small bone between the basioccipital and basisphenoid. (05 Mar 2000) |
| allogeneic bone marrow transplant | <haematology, procedure> A bone marrow transplant using marrow collected from a matched healthy donor, usually a brother or sister. The risks associated with the transplant increase with age and 50 years of age is generally regarded as the upper limit. (13 Nov 1997) |
| alveolar bone | That portion of bone in either the maxilla or the mandible which surrounds and supports the teeth. (12 Dec 1998) |